Copper ring is a term with multiple meanings and has a wide range of applications in medicine, heritage and other fields. In the field of medicine, copper rings are mainly used to treat diseases and alleviate symptoms; in the field of cultural relics, copper rings are important physical materials for the study of ancient history and culture; and in other fields, copper rings are used to meet specific application needs. Therefore, when understanding and using copper rings, it is necessary to distinguish and identify them according to specific contexts and fields.